For a long time standard treatment approach for resectable squamous cell carcinoma of larynx was surgery with or without subsequent radiotherapy. Surgery, particulary total laryngectomy, has been associated with serious impairment of quallity of life. Between nonsurgical approaches, concurrent cisplatin based chemoradiotherapy has become a very promising treatment modality for larynx preservati...

SAS provides a variety of methods for analyzing marketing data including conjoint analysis, correspondence analysis, preference mapping, multidimensional preference analysis, and multidimensional scaling. These methods allow you to analyze purchasing decision trade-offs, display product positioning, and examine differences in customer preferences. They can help you gain insight into your produc...